Atrazine Back Catalog number: 70023 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 3015.5-1ML 1-Pentene, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 109-67-1 Price on request 70900 Thiophenol Price on request 3342.8-100 Chlorothalonil, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 1897-45-6 Price on request